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Sentinel Technologies

Senior Systems Engineer – VMware, Microsoft Infrastructure

Sentinel Technologies

. Serve as the organization's onsite technical subject matter expert for VMware, Active Directory, Microsoft 365, Entra ID, and Intune environments .

Posted 9/23/2026full-timeCicero • Illinois • United StatesSenior💰 $48 - $57 per hourWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in administering and optimizing VMware environments, including vSphere, ESXi, and vCenter, while effectively collaborating with teams to drive infrastructure improvements and implement best practices. Proficient in managing Microsoft 365, Active Directory, and identity management principles, with a strong focus on performance tuning and disaster recovery.

Highest-signal resume keywords
VMware AdministrationVMware vSphere ExpertiseActive Directory ManagementPowerShell ScriptingInfrastructure Modernization

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
VMwareVSphereESXiVCenterMicrosoft 365Entra IDIntuneCapacity PlanningPerformance TuningDisaster Recovery
Soft Skills
CommunicationCollaborationMentorshipProblem-SolvingCan-Do Attitude
Certifications & Qualifications
VMware CertificationsMicrosoft Infrastructure Certifications
Industry Keywords
VirtualizationInfrastructure StandardsIdentity and Access ManagementHybrid InfrastructureDatacenter Transformations

Tech Stack

Tools & technologies
VMware

About the role

Key responsibilities & impact
  • Serve as the organization's onsite technical subject matter expert for VMware, Active Directory, Microsoft 365, Entra ID, and Intune environments
  • Administer, optimize, and modernize the organization's VMware infrastructure
  • Help establish long-term architecture, standards, governance, and best practices
  • Support and troubleshoot enterprise VMware and Microsoft infrastructure environments
  • Design, manage, and troubleshoot highly available virtualized environments
  • Perform VMware capacity planning, performance tuning, disaster recovery, and infrastructure modernization
  • Document environments and implement infrastructure standards
  • Drive infrastructure improvements
  • Collaborate closely with team members through knowledge sharing and mentorship

Requirements

What you’ll need
  • Significant hands-on experience administering and supporting enterprise VMware environments
  • Strong expertise with VMware vSphere, ESXi, vCenter, VMware lifecycle management, upgrades, and performance optimization
  • Strong expertise with Active Directory, Microsoft 365, Entra ID, and Intune
  • Experience designing, managing, and troubleshooting highly available virtualized environments
  • Experience supporting hybrid Microsoft infrastructure environments hosted on VMware platforms
  • Strong understanding of storage, compute, networking, and virtualization concepts
  • Experience with VMware capacity planning, performance tuning, disaster recovery, and infrastructure modernization initiatives
  • Strong understanding of identity and access management principles
  • Experience with PowerShell scripting and automation
  • Proven ability to troubleshoot complex infrastructure issues across VMware and Microsoft technology stacks
  • Experience documenting environments, implementing standards, and driving infrastructure improvements
  • Strong communication and collaboration skills with the ability to work effectively across teams
  • Legally authorized to work in the U.S. without sponsorship
  • Must demonstrate a "can-do" attitude
  • Bachelor's degree in Information Technology, Computer Science, or a related field preferred
  • Equivalent combination of professional experience and technical expertise will also be considered
  • VMware certifications (VCP, VCAP) highly preferred
  • Relevant Microsoft infrastructure certifications are a plus
  • Experience participating in virtualization migrations, datacenter transformations, or infrastructure modernization projects
  • Background check required as part of Sentinel's employment process

Benefits

Comp & perks
  • Weekly competitive pay
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • 401K
  • Certification and hands-on training
  • Work environment that encourages creativity
  • Entrepreneurial spirit
  • Growth opportunities
  • Team-oriented culture
  • Rewards based on impact